Q. 38 C4.5( 4 Votes )

A zinc ore on heating in air forms sulphur dioxide. Describe briefly any two stages involved in the conversion of this concentrated ore into zinc metal.

Answer :

The two stages involved in the conversion of this concentrated ore into zinc metal are roasting and reduction. 1) Now roasting is a process when zinc sulphide (zinc blende ore) is strongly heated in air (roasted), it forms zinc oxide and sulphur dioxide. 2) Reduction is the process in which Zinc oxide obtained is heated with carbon to form zinc metal. In this way zinc is abstracted from its ore.

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